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<!DOCTYPE html >
<html>
<head>
<script
src ="http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js">
</script>
<script>
$(document).ready(function(){
	$("button").click(function(){
		$("[href]").hide();
	});
});
</script>
</head>
<body>
<h2>This is a heading</h2>
<p>This is a paragraph.</p>
<p>This is another paragraph.</p>
<p><a href ="http://yahoo.co.jp">HTML Tutorual</a></p>
<p><a href ="http://yahoo.co.jp">CSS Tytorial</a></p>
<button>Click me</button>
</body>
</html>